Holding(s) in Company

Impax Group PLC
13 March 2006


Impax Group PLC

The Company received notification on 13 March 2006 from AXA Investment Managers
UK Limited on behalf of AXA S.A. and its Group Companies that at 13 March 2006
they were interested in 2,075,000 Ordinary Shares in the Company, representing
4.34 per cent. of the Ordinary Shares in issue. The registered holders and
beneficial owners were as follows:

Number of        Beneficial owner                Registered holder
Ordinary
Shares
       125,000   Sun Life Pensions Management    Smith & Williamson Nominees
                 Ltd                             Ltd
     1,950,000   Sun Life Pensions Management    BNY (OCS) Nominees Limited
                 Ltd
     2,075,000


13 March 2006




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